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Teraflex Big Brake Kit

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The TeraFlex Big Brake kit for JKs is pretty straightforward. It includes dual-piston calipers, 13.3-inch diameter slotted rotors (stock front rotors measure 11.9 inches) and more aggressive brake pads. TeraFlex feels that this is about the biggest brake upgrade possible without causing undesirable side effects or needing to change the master cylinder.